First of all, 60 minutes = 1 degree. So that converts your 20 degrees 54 minutes to 20.9 degrees. Secondly, a full revolution is 360 degrees or radians. Hence, the conversion from degrees to radians is . So your final answer will be computed as .

First of all, 60 minutes = 1 degree. So that converts your 20 degrees 54 minutes to 20.9 degrees. Secondly, a full revolution is 360 degrees or radians. Hence, the conversion from degrees to radians is . So your final answer will be computed as .